My MTD snow blower uses a Torch F6RTC spark plug, but the blower is a pain to start so I want to treat it to a new European plug. I thought this would be easy :-( These pages
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and
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suggest that there are many equivalents to the F6RTC, but using this page
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as an example to decode the model numbers shows that there are some differences in heat range and electrode material. Am I fussing over nothing and shoving-in an RN10Y will be fine?